6-CHLORO-2 3-DIHYDRO-3-OXO-4H-1 4-BENZO&;6-chloro-2,3-dihydro-3-oxo-4h-1,4-benzoxazine-4-propanenitrile;6-Chloro-2,3-dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile, 98%
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